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The Last Bastion is mass-producing the Boidmachines and has protected a battlebase with multiple Plasmerizers around it. Luckily, the waters around the island have frozen and a path for the ground forces was created. Now is the time to strike!
- Map description

Ouroboros Challenge is a Challenge map, where the enemy forces consist of three Last Bastion bases that spam Boidmachines and Plasmerizers far more than normally allowed. The enemies also have Ramwagons at the ready.


The enemy starts with a large number of Plasmerizers, Tech Maintenance Centers, Tech Defense Bureaux and tech defences around the map, fuelled by Tech Power Plants and Tech Nuclear Plants, as well as nine Boidmachines in total. Notably, in the area directly facing the players' bases across the land bridge, there are four Plasmerizers guarded by a large number of Shrike Nests, Neutralizers and Sweepers. The build limit for enemy Boidmachines is raised to 3 from 1, which means the enemy can have a maximum of 9 Boidmachines at a time, three for each base.

The enemy also has access to Ramwagons without requiring to infiltrate a Cloud Piercer. They are usually seen patrolling the battlebase in groups of 3.

Tech buildings




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